Syringa prestoniae or also known as Preston Lilac is a hardy shrub, tree that blooms in early summer. It is a cross between Syringa Reflexa and Villosa. It is very fragrant and comes in different shades of lilac. It can grow up to 10 feet, it like sun and well drained soil remove deadhead blooms for more vigorous flowering next year. Did you know lilacs are fire retardant and can help protect homes in fire prone areas. It is a deciduous shrub or tree.